data analysis

Three ways to perceive reliability

When measuring a phenomenon, you need to select the right tool. To measure temperature, you use a thermometer; alcohol content in breath is measured with an alcometer; and weight,...

Read more

Trees that grow from tables

When stepping outside the domain of distributive and descriptive statistics for individual variables, we usually take interest in correlations between variables.

Read more

Weights and Tables

When creating a table, you can present weighted or unweighted data. As usual, the answer depends on the situation. You will get my meaning in a minute, but first, let me explain...

Read more

Cross-selling and tables

What combination of products frequently end up in a shopper's basket? What services are usually bought together by consumers?

Read more
Page 4 from 4